petsc-3.3-p7 2013-05-11

MatQueryOp

Finds the function that implements a polymorphic operation that is dispatched based on the op name and the declared arguments' type names.

#include "petscmat.h" 
PetscErrorCode  MatQueryOp(MPI_Comm comm, PetscVoidFunction* function, const char op[], PetscInt numArgs, ...)

Formally collective on comm.

	comm	- processors adding the op
	op	- operation name
	numArgs	- number of op arguments
	...	- list of argument type names (const char*)

function -- function pointer